Advanced Calibration For Analyte Sensors

Patent No. EP2973081 (titled "Advanced Calibration For Analyte Sensors") was filed by Dexcom on Jan 27, 2014. The application was issued on Sep 9, 2020.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
ROCHE	Jun 9, 2021	GRUNECKER PATENT
ROCHE DIABETES CARE	Jun 9, 2021	GRNECKER

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Sep 2, 2025
Decision of the Board of Appeal
Sep 2, 2025
F3032 Notification(s) of the decision
Sep 2, 2025
F3032 Notification(s) of the decision
Aug 27, 2025
Refund of fees
Aug 22, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 22, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 21, 2025
(Electronic) Receipt
Aug 21, 2025
Communication confirming withdrawal from representation
Aug 21, 2025
Communication of amended entries concerning the representative
Aug 21, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Aug 21, 2025
F3345 Forwarding of submissions to parties
Aug 21, 2025
F3345 Forwarding of submissions to parties
Aug 21, 2025
Letter accompanying subsequently filed items
Aug 21, 2025
Withdrawal of an appeal
Aug 14, 2025
(Electronic) Receipt
Aug 14, 2025
Submission concerning change of applicant's representative
Jul 11, 2025
F3345 Forwarding of submissions to parties
Jul 8, 2025
(Electronic) Receipt
Jul 8, 2025
(Electronic) Receipt
Jul 8, 2025
Letter dealing with oral proceedings during the appeal procedure
Jul 8, 2025
Request for interpreters during oral proceedings
Apr 15, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Apr 15, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Mar 3, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Mar 3, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Feb 27, 2025
F3345 Forwarding of submissions to parties
Feb 26, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Feb 21, 2025
(Electronic) Receipt
Feb 21, 2025
Letter accompanying subsequently filed items
Feb 21, 2025
Oral proceedings: Request for postponement
Feb 19, 2025
F3011.2 Oral Proceedings: Summons VICO
Feb 19, 2025
F3011.2 Oral Proceedings: Summons VICO
Jan 21, 2025
F3010 Oral proceedings: order for summons
Dec 3, 2024
F3345 Forwarding of submissions to parties
Nov 28, 2024
(Electronic) Receipt
Nov 28, 2024
Letter accompanying subsequently filed items
Nov 28, 2024
Letter relating to Appeal Procedure
Jul 2, 2024
F3345 Forwarding of submissions to parties
Jun 27, 2024
(Electronic) Receipt
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Amended claims with annotations
Jun 27, 2024
Auxiliary request during appeals procedure - 22
Jun 27, 2024
Auxiliary request during appeals procedure - 23
Jun 27, 2024
Auxiliary request during appeals procedure - 24
Jun 27, 2024
Auxiliary request during appeals procedure - 25
Jun 27, 2024
Auxiliary request during appeals procedure - 26
Jun 27, 2024
Auxiliary request during appeals procedure - 27
Jun 27, 2024
Auxiliary request during appeals procedure - 28
Jun 27, 2024
Auxiliary request during appeals procedure - 29
Jun 27, 2024
Auxiliary request during appeals procedure - 30
Jun 27, 2024
Auxiliary request during appeals procedure - 31
Jun 27, 2024
Auxiliary request during appeals procedure - 32
Jun 27, 2024
Auxiliary request during appeals procedure - 33
Jun 27, 2024
Auxiliary request during appeals procedure - 34
Jun 27, 2024
Auxiliary request during appeals procedure - 35
Jun 27, 2024
Auxiliary request during appeals procedure - 36
Jun 27, 2024
Letter accompanying subsequently filed items
Jun 27, 2024
Reply to appeal
Jun 25, 2024
F3345 Forwarding of submissions to parties
Jun 20, 2024
(Electronic) Receipt
Jun 20, 2024
Letter accompanying subsequently filed items
Jun 20, 2024
Reply to appeal
Feb 27, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 27, 2024
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 22, 2024
(Electronic) Receipt
Feb 22, 2024
Letter accompanying subsequently filed items
Feb 22, 2024
Statement of grounds of appeal
Feb 19, 2024
(Electronic) Receipt
Feb 19, 2024
Auxiliary request during appeals procedure - 01
Feb 19, 2024
Auxiliary request during appeals procedure - 02
Feb 19, 2024
Auxiliary request during appeals procedure - 03
Feb 19, 2024
Auxiliary request during appeals procedure - 04
Feb 19, 2024
Cited document during appeal procedure
Feb 19, 2024
Cited document during appeal procedure
Feb 19, 2024
Cited document during appeal procedure
Feb 19, 2024
Cited document during appeal procedure
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Claims
Feb 19, 2024
Letter accompanying subsequently filed items
Feb 19, 2024
Statement of grounds of appeal
Dec 21, 2023
F3204 Communication of the file number to the parties
Dec 21, 2023
F3204 Communication of the file number to the parties
Dec 18, 2023
F3204 Communication of the file number to the parties
Dec 18, 2023
F3204 Communication of the file number to the parties
Dec 15, 2023
(Electronic) Receipt
Dec 15, 2023
Letter accompanying subsequently filed items
Dec 15, 2023
Notice of appeal
Dec 13, 2023
(Electronic) Receipt
Dec 13, 2023
Letter accompanying subsequently filed items
Dec 13, 2023
Notice of appeal
Oct 18, 2023
(Electronic) Receipt
Oct 18, 2023
Advice of delivery
Oct 18, 2023
Letter accompanying subsequently filed items
Oct 17, 2023
Annex to the communication - opposition
Oct 17, 2023
Decision of the Opposition Division and instruction
Oct 17, 2023
Druckexemplar in opposition procedure
Oct 17, 2023
Grounds for the decision (Annex) - opposition
Oct 17, 2023
Interlocutory decision in opposition proceedings
Oct 17, 2023
Interlocutory decision in opposition proceedings
Oct 17, 2023
Means of redress
Oct 17, 2023
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 17, 2023
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 17, 2023
Provision of a copy of the minutes - opposition procedure
Oct 17, 2023
Provision of a copy of the minutes - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Scanned annex to a communication - opposition procedure
Oct 17, 2023
Transmittal of decision / summons - opposition
Oct 17, 2023
Transmittal of decision / summons - opposition
Sep 12, 2023
Information about the result of oral proceedings
Jul 17, 2023
Brief communication - Opposition proceedings
Jul 17, 2023
Brief communication - Opposition proceedings
Jul 12, 2023
(Electronic) Receipt
Jul 12, 2023
Written submission in preparation to/during oral proceedings
Jul 11, 2023
(Electronic) Receipt
Jul 11, 2023
Request for interpreters during oral proceedings
Apr 20, 2023
Summons to attend oral proceedings
Apr 20, 2023
Summons to attend oral proceedings
Apr 20, 2023
Transmittal of decision / summons - opposition
Apr 20, 2023
Transmittal of decision / summons - opposition
Mar 22, 2023
Notification concerning the date of oral proceedings
Mar 22, 2023
Notification concerning the date of oral proceedings
Feb 3, 2023
(Electronic) Receipt
Jan 26, 2023
Brief communication - Opposition proceedings
Jan 20, 2023
(Electronic) Receipt
Jan 20, 2023
Letter accompanying subsequently filed items
Jan 20, 2023
Written submission in preparation to/during oral proceedings
Jan 19, 2023
(Electronic) Receipt
Jan 19, 2023
(Electronic) Receipt
Jan 19, 2023
Request for interpreters during oral proceedings
Dec 1, 2022
Notification concerning the date of oral proceedings
Dec 1, 2022
Notification concerning the date of oral proceedings
Jun 30, 2022
(Electronic) Receipt
Jun 30, 2022
Advice of delivery
Jun 30, 2022
Letter accompanying subsequently filed items
Jun 29, 2022
Annex to the communication - opposition
Jun 29, 2022
Scanned annex to a communication - opposition procedure
Jun 29, 2022
Summons to attend oral proceedings
Jun 29, 2022
Summons to attend oral proceedings
Jun 29, 2022
Transmittal of decision / summons - opposition
Jun 29, 2022
Transmittal of decision / summons - opposition
Jan 31, 2022
Brief communication - Opposition proceedings
Jan 26, 2022
(Electronic) Receipt
Jan 26, 2022
Letter accompanying subsequently filed items
Jan 26, 2022
Reply from the opponent to submission of proprietor
Nov 9, 2021
Brief communication - Opposition proceedings
Nov 3, 2021
(Electronic) Receipt
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure
Nov 3, 2021
Auxiliary request during Opposition procedure - 01
Nov 3, 2021
Auxiliary request during Opposition procedure - 01
Nov 3, 2021
Auxiliary request during Opposition procedure - 01
Nov 3, 2021
Auxiliary request during Opposition procedure - 01
Nov 3, 2021
Auxiliary request during Opposition procedure - 02
Nov 3, 2021
Auxiliary request during Opposition procedure - 02
Nov 3, 2021
Auxiliary request during Opposition procedure - 02
Nov 3, 2021
Auxiliary request during Opposition procedure - 02
Nov 3, 2021
Auxiliary request during Opposition procedure - 03
Nov 3, 2021
Auxiliary request during Opposition procedure - 03
Nov 3, 2021
Auxiliary request during Opposition procedure - 03
Nov 3, 2021
Auxiliary request during Opposition procedure - 03
Nov 3, 2021
Auxiliary request during Opposition procedure - 04
Nov 3, 2021
Auxiliary request during Opposition procedure - 04
Nov 3, 2021
Auxiliary request during Opposition procedure - 04
Nov 3, 2021
Auxiliary request during Opposition procedure - 04
Nov 3, 2021
Letter accompanying subsequently filed items
Nov 3, 2021
Main request during Opposition procedure
Nov 3, 2021
Main request during Opposition procedure
Nov 3, 2021
Main request during Opposition procedure
Nov 3, 2021
Main request during Opposition procedure
Nov 3, 2021
Main request during Opposition procedure
Nov 3, 2021
Main request during Opposition procedure
Nov 3, 2021
Reply of the patent proprietor to the notice(s) of opposition
Jun 23, 2021
Communication of a notice of opposition and request to file observations
Jun 23, 2021
Notice of further oppositions to opponent(s)
Jun 14, 2021
Communication of a notice of opposition - first information to patent proprietor
Jun 9, 2021
(Electronic) Receipt
Jun 9, 2021
Citation in opposition procedure
Jun 9, 2021
Citation in opposition procedure
Jun 9, 2021
Citation in opposition procedure
Jun 9, 2021
Citation in opposition procedure - 001
Jun 9, 2021
Citation in opposition procedure - 002
Jun 9, 2021
Citation in opposition procedure - 003
Jun 9, 2021
Citation in opposition procedure - 004
Jun 9, 2021
Citation in opposition procedure - 005
Jun 9, 2021
Citation in opposition procedure - 006
Jun 9, 2021
Citation in opposition procedure - 007
Jun 9, 2021
Citation in opposition procedure - 008
Jun 9, 2021
Citation in opposition procedure - 009
Jun 9, 2021
Citation in opposition procedure - 010
Jun 9, 2021
Consolidated list of cited opposition documents
Jun 9, 2021
Notice of opposition
Jun 9, 2021
Notice of opposition
Sep 21, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 13, 2020
Decision to grant a European patent
Jul 31, 2020
(Electronic) Receipt
Jul 31, 2020
Filing of the translations of the claims
Jul 31, 2020
French translation of claims
Jul 31, 2020
German translation of the claims
Jul 31, 2020
Letter accompanying subsequently filed items
Apr 7, 2020
Bibliographic data of the European patent application
Apr 7, 2020
Communication about intention to grant a European patent
Apr 7, 2020
Intention to grant (signatures)
Apr 7, 2020
Text intended for grant (clean copy)
Apr 7, 2020
Text intended for grant (version for approval)
Mar 10, 2020
(Electronic) Receipt
Mar 10, 2020
Amended claims with annotations
Mar 10, 2020
Annex to the communication
Mar 10, 2020
Claims
Mar 10, 2020
Consultation by telephone/in person (with time limit)
Mar 10, 2020
Letter accompanying subsequently filed items
Mar 10, 2020
Reply to communication from the Examining Division
Mar 10, 2020
Result of consultation by telephone/in person
Feb 21, 2020
Notification concerning the date of oral proceedings
Feb 14, 2020
Notification concerning the date of oral proceedings
Feb 13, 2020
(Electronic) Receipt
Feb 13, 2020
Amended claims with annotations
Feb 13, 2020
Amended claims with annotations
Feb 13, 2020
Claims
Feb 13, 2020
Claims
Feb 13, 2020
Letter accompanying subsequently filed items
Feb 13, 2020
Written submission in preparation to/during oral proceedings
Feb 5, 2020
Annex to the communication
Feb 5, 2020
Consultation by telephone/in person
Feb 5, 2020
Result of consultation by telephone/in person
Jan 17, 2020
(Electronic) Receipt
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Amended claims with annotations
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Claims
Jan 17, 2020
Letter accompanying subsequently filed items
Jan 17, 2020
Written submission in preparation to/during oral proceedings
Jul 30, 2019
Advice of delivery
Jul 25, 2019
Acknowledgement of a document
Jul 25, 2019
Annex to a communication
Jul 25, 2019
Annex to a communication
Jul 25, 2019
Annex to the communication
Jul 25, 2019
Summons to attend oral proceedings
Jan 23, 2019
Response to enquiry for communication from the Examining Division
Jan 9, 2019
(Electronic) Receipt
Jan 9, 2019
Enquiry as to the processing of the file
Jan 9, 2019
Letter accompanying subsequently filed items
Dec 5, 2017
Communication of amended entries concerning the representative
Nov 29, 2017
Submission concerning change of applicant's representative
Oct 25, 2017
Communication of amended entries concerning the representative
Oct 20, 2017
Submission concerning change of applicant's representative
May 9, 2017
Communication of amended entries concerning the representative
May 4, 2017
(Electronic) Receipt
May 4, 2017
Amended claims with annotations
May 4, 2017
Claims
May 4, 2017
Letter accompanying subsequently filed items
May 4, 2017
Reply to communication from the Examining Division
Apr 27, 2017
Submission concerning representation
Apr 25, 2017
Submission concerning change of applicant's representative
Mar 29, 2017
Grant of extension of time limit (examination procedure)
Mar 24, 2017
(Electronic) Receipt
Mar 24, 2017
Letter accompanying subsequently filed items
Mar 24, 2017
Request for extension of time limit to communication from the Examining Division
Nov 14, 2016
Annex to the communication
Nov 14, 2016
Communication from the Examining Division
Apr 29, 2016
(Electronic) Receipt
Apr 29, 2016
Amended claims filed after receipt of (European) search report
Apr 29, 2016
Amended claims with annotations
Apr 29, 2016
Amendments received before examination
Apr 29, 2016
Letter accompanying subsequently filed items
Jan 20, 2016
Communication to designated inventor
Dec 23, 2015
Notification on forthcoming publication of bibliographic data
Dec 17, 2015
(Electronic) Receipt
Dec 17, 2015
Letter accompanying subsequently filed items
Dec 17, 2015
Letter concerning the inventor
Dec 7, 2015
Invitation to indicate correct address of inventor
Nov 17, 2015
Letter which had not been notified
Oct 21, 2015
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Oct 19, 2015
Communication to designated inventor
Oct 19, 2015
Communication to designated inventor
Oct 19, 2015
Communication to designated inventor
Oct 19, 2015
Communication to designated inventor
Oct 19, 2015
Communication to designated inventor
Oct 19, 2015
Communication to designated inventor
Oct 2, 2015
Copy of the international preliminary report on patentability
Jun 11, 2015
Information regarding early processing
May 19, 2015
(Electronic) Receipt
May 19, 2015
Request for entry into the European phase
Nov 27, 2014
Copy of the international search report
Nov 27, 2014
International publication of the international search report
Oct 22, 2014
Priority document (electronically transmitted)
Oct 2, 2014
Published international application - A2
Oct 1, 2014
Written opinion of the ISA, boxes No. I to VIII
Oct 1, 2014
Written opinion of the ISA, cover sheet
Oct 1, 2014
Written opinion of the ISA, supplemental box
Feb 20, 2014
Abstract
Feb 20, 2014
Claims
Feb 20, 2014
Description
Feb 20, 2014
Drawings
Feb 20, 2014
Submission concerning representation

EP2973081

DEXCOM

Application Number: EP14706156A
Filing Date: Jan 27, 2014
Status: Revoked; Sep 3, 2025
Publication Date: Sep 9, 2020
External Links: Slate, Register , Google Patents

IP Verse

Advanced Calibration For Analyte Sensors

Patent Summary

Patent Family

Patent Oppositions (2)

Dossier Documents

EP2973081